Cases involving individuals who have been injured in crashes and collisions involving helicopters. A Helicopter Accident is an occurrence associated with the operation of an aircraft which takes place between the time any person boards the helicopter with the intention of flight and all such persons have disembarked, in which a person is fatally or seriously injured, the aircraft sustains damage or structural failure and/or the aircraft is missing or is completely inaccessible.
Lisbon is a town in Grafton County, New Hampshire, United States. The population was 1,587 at the 2000 census. Lisbon hosts an annual "Lilac Festival" on Memorial Day weekend. The primary settlement in town, where over 67% of the population lives, is defined as the Lisbon census-designated place (CDP) and is located along U.S. Route 302 and the Ammonoosuc River in the southwestern corner of the town.